a protective cover that protects the face of a watch | a purposeful surveillance to guard or observe |
laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker | the rite of staying awake for devotional purposes (especially on the eve of a religious festival) |
| a small portable timepiece |
| a person employed to keep watch for some anticipated event |
| a period of time (4 or 2 hours) during which some of a ship's crew are on duty |
| the period during which someone (especially a guard) is on duty |